select a.description as desc, b.attname as fieldname from pg_description a inner join pg_attribute b on a.objoid=b.oidwhere b.attrelid in (select oid from pg_class where relname='table_1') and b.attnum > 0
SELECT d.description FROM pg_class c, pg_attribute a, pg_description d WHERE c.oid = a.attrelid AND a.attnum > 0 AND (d.objoid = c.oid) AND (a.attnum = d.objsubid) AND c.relname = 'My_Table_Name' ORDER BY a.attname;
